2021222002210 has 8 divisors (see below), whose sum is σ = 3638199603996. Its totient is φ = 808488800880.

The previous prime is 2021222002199. The next prime is 2021222002211. The reversal of 2021222002210 is 122002221202.

It can be written as a sum of positive squares in 2 ways, for example, as 1856567028481 + 164654973729 = 1362559^2 + 405777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2021222002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101061100101 + ... + 101061100120.

Almost surely, 2^{2021222002210} is an apocalyptic number.

2021222002210 is a deficient number, since it is larger than the sum of its proper divisors (1616977601786).

2021222002210 is a wasteful number, since it uses less digits than its factorization.

2021222002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202122200228.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2021222002210 its reverse (122002221202), we get a palindrome (2143224223412).

The spelling of 2021222002210 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two thousand, two hundred ten".